The plane ________ when I arrived at the airport．
| A．have gone | B．went |
| C．is going | D．had gone |
Franklin’s ability to learn from observations and experience _____ greatly to his success in public life.
| A．owed | B．contributed | C．attached | D．related |
I can’t stand ___ with Jane in the same office. She just refuses ____ talking while she works.
| A．working; stopping | B．to work; stopping |
| C．working; to stop | D．to work; to stop |
She wanted to be independent of her parents. She tried ____ alone, but she didn’t like it and moved back home.
| A．living | B．to live | C．to be living | D．having lived |
_____ they may get injured, parents won’t let their children ____ in the street.
| A．Thinking; play | B．Thinking; to play | C．Think; playing | D．To think; play |
I was enjoying my dessert and talking to my American friend Janice at the table _____ I noticed people
staring at us.
| A．until | B．as | C．when | D．while |